im having a problem with a friend cars a teg 93 with a b18b that was turbo (FMU) '' biggest mistake ever made in forced induction management if you can call it a management ''... anyway now he's running stock with all the wiring and vaccum [freak] up bad no wideband, no 4 bar map... check engine comes on with WOT and the fuel or ign. is cutting off just before the 3800rpm... and the best of all cant flash code the damm thing.. first time it'S happening to me.. please give me a hand thx pep...

 

bump

 

You said all the wiring was messed up, right? If say, a wire for the 02 sensor is not hooked up the right way, that by itself will cause a cel. Get a manual and check all the wiring and vacume lines to make sure that is all correct before moving on.

 

it was my first pick lol